ext/extmk.rb: colorize notes [Feature #13302]

* common.mk (build-ext): pass variables to colorize.

* ext/extmk.rb: colorize notes with tool/colorize.rb.

* tool/colorize.rb: extract from tool/generic_erb.rb.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58426 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 41 insertions, 0 deletions

diff --git a/tool/colorize.rb b/tool/colorize.rb
new file mode 100644
index 0000000000..6b9f568020
--- /dev/null
+++ b/tool/colorize.rb
@@ -0,0 +1,41 @@
+class Colorize
+  def initialize(color = nil)
+    @colors = @reset = nil
+    if color or (color == nil && STDOUT.tty?)
+      if (/\A\e\[.*m\z/ =~ IO.popen("tput smso", "r", err: IO::NULL, &:read) rescue nil)
+        @beg = "\e["
+        @colors = (colors = ENV['TEST_COLORS']) ? Hash[colors.scan(/(\w+)=([^:\n]*)/)] : {}
+        @reset = "#{@beg}m"
+      end
+    end
+    self
+  end
+
+  DEFAULTS = {"pass"=>"32;1", "fail"=>"31;1", "skip"=>"33;1"}
+
+  def decorate(str, name)
+    if @colors and color = (@colors[name] || DEFAULTS[name])
+      "#{@beg}#{color}m#{str}#{@reset}"
+    else
+      str
+    end
+  end
+
+  def pass(str)
+    decorate(str, "pass")
+  end
+
+  def fail(str)
+    decorate(str, "fail")
+  end
+
+  def skip(str)
+    decorate(str, "skip")
+  end
+end
+
+if $0 == __FILE__
+  colorize = Colorize.new
+  col = ARGV.shift
+  ARGV.each {|str| puts colorize.decorate(str, col)}
+end